package com.changgou.pay.service.impl;

import com.changgou.pay.service.WXPayService;
import com.github.wxpay.sdk.WXPay;
import com.thoughtworks.xstream.persistence.XmlMap;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.HashMap;
import java.util.Map;

@Service
public class WXPayServiceImpl implements WXPayService {

    @Autowired
    private WXPay wxPay;

    @Value("${wxpay.notify_url}")
    private String notify_url;

    /**
     * 统一下单的接口调用
     * @param orderId
     * @param money
     * @return
     */
    @Override
    public Map nativePay(String orderId, Integer money) {

        try {
            // 1.封装请求参数
            Map<String,String> map = new HashMap<>();
            map.put("body","畅购商城");
            map.put("out_trade_no", orderId);

            // 价格计算bigDecimal
            BigDecimal payMoney = new BigDecimal("0.01");
            BigDecimal fen = payMoney.multiply(new BigDecimal("100")); // 1.00
            fen = fen.setScale(0, BigDecimal.ROUND_UP);

            map.put("total_fee", String.valueOf(fen));  // 订单总金额
            map.put("spbill_create_ip", "127.0.0.1");    // 终端IP
            map.put("notify_url", notify_url);    // 支付成功后通知地址
            map.put("trade_type","NATIVE");   // 交易类型


            // 2. 基于wxpay完成统一下单接口的调用，并获取返回结果
            Map<String, String> result = wxPay.unifiedOrder(map);

            return result;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    /**
     * 基于微信Api进行订单查询
     * @param orderId
     * @return
     */
    @Override
    public Map queryOrder(String orderId) {
        try {
            Map<String, String> map = new HashMap<>();
            map.put("out_trade_no",orderId);

            Map<String, String> resultMap = wxPay.orderQuery(map);
            return resultMap;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    /**
     * 基于微信关闭订单
     * @param orderId
     * @return
     */
    @Override
    public Map closeOrder(String orderId) {
        try {
            Map<String,String> map = new HashMap<>();
            map.put("out_trade_no",orderId);
            Map<String, String> resultMap = wxPay.closeOrder(map);
            return resultMap;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }
}
